code: def book_hotel(request_id: str, *deps) -> str:
      hotel_reservation_id = make_request("book_hotel", request_id)
      return hotel_reservation_id
  
file_path: ray/python/ray/workflow/examples/comparisons/cadence/trip_booking_workflow.py
imports: from typing import List, Tuple, Optional
  import ray
  from ray import workflow
label_desc: Use image node_id 4 for calling a global function with example usage: book_hotel(request_id) and returns: hotel_reservation_id